Mark Powley is a British actor, born in Norwich in 1963. His career began in theatre, including work with the prestigious Royal Shakespeare Company, before he established himself on the small screen. He gained wide recognition in 1996 for his portrayal of 'Geordie' Peacock in the BBC miniseries *Our Friends in the North*, a critically acclaimed production that won numerous awards, including a BAFTA. This role solidified his reputation as a versatile actor, leading him to appear in many of Britain's most popular television series, such as *The Bill*, *Casualty*, and *Coronation Street*. Internationally, he is known for playing the character of Prentiss in the fifth season of the HBO series *Game of Thrones*. His professional path is characterized by a consistent presence in quality productions, ranging from historical drama to fantasy, establishing him as a solid character actor.